.out-container {
  width: 100%;
  height: 90vh;

  .btn-area {
    width: 100%;
    height: 10%;
    border: 1px solid;

    button {
      margin-top: 5px;
      margin-left: 3px;
    }
  }

  .box {
    width: 100%;
    height: 90%;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    border: 1px solid red;

    .solo-box {
      width: 49%;
      height: 49%;
      border: 2px solid gray;
    }

    .active-box {
      border: 2px solid red;
    }
  }
}
